#include<iostream>
#define _ using
#define __ namespace
#define ___ std
#define ____ ;
#define _____ int
#define ______ main
#define _______ (){
#define ________ a
#define _________ ,
#define __________ b
#define ___________ cin
#define ____________ >>
#define _____________ cout
#define ______________ <<
#define _______________ +
#define ________________ return
#define _________________ 0
#define __________________ }

_
__
___
____
_____
______
_______
_____
________
_________
__________
____
___________
____________
________
____________
__________
____
_____________
______________
________
_______________
__________
____
________________
_________________
____
__________________
